Electro-Harmonix Holy Grail Reverb Effect, c. 2005 | RetroFret
Pre-Owned EHX Holy Grail Reverb V1 - Five Star Guitars
Electro-Harmonix Holy Grail V1 Reverb Effects Pedal Used
JHS Pedals - now available...send us your EHX Holy Grail (big box version only) and we can Mod it to Dual Reverb Mod. Details at: http://www.jhspedals.com/electro-harmonix-holy-grail-dual-reverb-mod | Facebook